#include "ncmul.h"
#include "power.h"
#include "lst.h"
-#include "inifcns.h"
+#include "inifcns.h" // for symmetrize()
#include "print.h"
#include "archive.h"
#include "utils.h"
return e_expanded;
}
-ex simplify_indexed(const ex & e)
+/** Simplify/canonicalize expression containing indexed objects. This
+ * performs contraction of dummy indices where possible and checks whether
+ * the free indices in sums are consistent.
+ *
+ * @return simplified expression */
+ex ex::simplify_indexed(void) const
{
exvector free_indices, dummy_indices;
scalar_products sp;
- return simplify_indexed(e, free_indices, dummy_indices, sp);
+ return GiNaC::simplify_indexed(*this, free_indices, dummy_indices, sp);
}
-ex simplify_indexed(const ex & e, const scalar_products & sp)
+/** Simplify/canonicalize expression containing indexed objects. This
+ * performs contraction of dummy indices where possible, checks whether
+ * the free indices in sums are consistent, and automatically replaces
+ * scalar products by known values if desired.
+ *
+ * @param sp Scalar products to be replaced automatically
+ * @return simplified expression */
+ex ex::simplify_indexed(const scalar_products & sp) const
{
exvector free_indices, dummy_indices;
- return simplify_indexed(e, free_indices, dummy_indices, sp);
+ return GiNaC::simplify_indexed(*this, free_indices, dummy_indices, sp);
}
-ex symmetrize(const ex & e)
+/** Symmetrize expression over its free indices. */
+ex ex::symmetrize(void) const
{
- return symmetrize(e, e.get_free_indices());
+ return GiNaC::symmetrize(*this, get_free_indices());
}
-ex antisymmetrize(const ex & e)
+/** Antisymmetrize expression over its free indices. */
+ex ex::antisymmetrize(void) const
{
- return antisymmetrize(e, e.get_free_indices());
+ return GiNaC::antisymmetrize(*this, get_free_indices());
}
//////////